hard rubber 是什么意思

	硬橡皮，硬质胶。

	hard: adj. 1.硬的，坚固的 (opp. soft)。 2 ...
	rubber: n. 【纸牌】(三盘或其他成单的盘数构成的)一局；〔th ...

a hard nonresilient rubber formed by vulcanizing natural rubber
同义词：vulcanite, ebonite,

	1.	Hard rubber and fur are commonly used in demonstrations . 在演示中，常用硬橡胶棒和毛皮。
	2.	The 1912 battery had 12 small cells, each consisting of three plates in a small hard rubber jar with a soft rubber cover . 1912年的那只蓄电池有12个单体，每个单体由三片极板组成，装在小的带软胶盖的硬橡胶壳内。
	3.	Hard rubber is a much better substance with which to construct a clarinet 其实硬橡胶是制造单簧管的很好的选择。
	4.	A hard rubber disk used in ice hockey as the playing and scoring medium 冰球冰球比赛中用于击打和得分的硬橡皮盘状物
	5.	Large rawhide chips , nylon chews and hard rubber balls are fun and safe 大的生牛皮条，尼龙咬件和大橡胶球都是又有趣又安全的。
	6.	Hard rubber catheter 硬橡皮导尿管
	7.	Hard rubber sheets 硬橡胶片材
	8.	The scots also replaced the original small , hard rubber ball with a soccer ball and adopted rules that prohibited taking the ball under the surface or " tackling " a player unless he had the ball 苏格兰人还用足球代替了原先小而硬的橡胶球并且采用了禁止将球置于水面以下和禁止阻截非持球选手等水球规则。

hard rubber是什么意思